Enlaces:
[1] http://biologia.cubaeduca.cu/index.php?option=com_content&view=article&id=11498:biologia-9nocontinuacion-tema-tejidos-fundamentales&catid=535:biologia
[2] https://www.cdc.gov/spanish/especialesCDC/DejarFumar/
[3] http://www.saludvida.sld.cu/resumendeactualidad/2014/03/19/fumar-puede-causar-cambios-fisicos-en-el-cerebro-de-fumadores-adolesc
[4] http://www.saludvida.sld.cu/articulo/2013/12/02/dejar-de-fumar
[5] http://www.saludvida.sld.cu/infosearch_advanced_search?Eid=64&query=tabaco
[6] http://ac.els-cdn.com/S0212656716305662/1-s2.0-S0212656716305662-main.p df?_tid=38d4fab6-760a-11e7-a276-00000aacb362&acdnat=1501517373_2822101f db531de93e2ac4a61b2dd285
[7] http://www.revistahph.sld.cu/2016/Nro 2/consumo de tabaco y alcohol.html
[8] http://www.revsaludpublica.sld.cu/index.php/spu/article/view/537/768
[9] http://www.revsaludpublica.sld.cu/index.php/spu/article/view/257/281
[10] http://www.redalyc.org/articulo.oa?id=21416135005
[11] http://www.redalyc.org/articulo.oa?id=21438819002